Avalue ECM-CX700 - Manual (Page 15)

Quick Installation Guide
ECM-CX700 Series Quick Installation Guide 15
2.3.9 LCD Inverter Connector (JINV1)
Signal PIN
+12V 1
GND 2
ENBKL 3
VR 4
+5V 5
Note:
For inverters with adjustable Backlight function, it is possible to control the
LCD brightness through the VR signal controlled by VR1. Please see the
VR1 section for detailed circuitry information.
2.3.9.1 Signal Description – LCD Inverter Connector (JINV1)
Signal Signal Description
VR Vadj = 0.75V ~ 4.25V (Recommended: 4.7K Ω, >1/16W)
ENBKL LCD backlight ON/OFF control signal